Section: News

(Phys.org) — University of Oregon chemists have identified a catalyst that could dramatically reduce the amount of waste made in the production of methyl methacrylate, a monomer used in the large-scale manufacturing of lightweight, shatter-resistant a…


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About 110 million light years away, the bright, barred spiral galaxy NGC 3259 was just forming stars in dark bands of dust and gas. Here on the part of the Earth where NASA’s Goddard Space Flight Center would eventually be built, a plant-eating dinosau…


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Scientists have cracked a molecular code that may open the way to destroying or correcting defective gene products, such as those that cause genetic disorders in humans.


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Faced with a host of environmental threats, many of the world’s plant species are believed to be at risk of extinction. But which species? To answer that question, scientists have developed a streamlined method for assessing the conservation status of …


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High levels of background noise, mainly due to ships, have reduced the ability of critically endangered North Atlantic right whales to communicate with each other by about two-thirds.


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Having healthy gut bacteria could have as much to do with a strategy that insurance companies use to uncover risk as with eating the right foods –¬†according to researchers.


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Cancer stem cells are defined by three abilities: differentiation, self-renewal and their ability to seed a tumor. These stem cells resist chemotherapy and many researchers posit their role in relapse. A new study shows that melanoma cells with these a…


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Over the last 50 years, the spotting of newborn’s blood onto filter paper for disease screening, called Guthrie cards, has become so routine that since 2000, more than 90% of newborns in the United States have had Guthrie cards created. Researchers hav…


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Researchers, doctors and patients tend to agree that during the high-risk period after an attempted suicide, the treatment of choice is close contact, follow-up and personal interaction in order to prevent a tragic repeat. Now, however, new research sh…


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Ancient pollen and charcoal preserved in deeply buried sediments in Egypt’s Nile Delta document the region’s ancient droughts and fires, including a huge drought 4,200 years ago associated with the demise of Egypt’s Old Kingdom, the era known as the py…


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Debate over the origin of large-scale polygons (hundreds of meters to kilometers in diameter) on Mars remains active even after several decades of detailed observations. Similarity in geometric patterns on Mars and Earth has long captured the imaginati…


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The earth is shaken daily by strong earthquakes recorded by a number of seismic stations worldwide. Tectonic tremor, however, is a new type of seismic signal that seismologist started studying only within the last few years. Tremor is less hazardous th…


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